NestJS inaunga mkono mawasiliano ya real-time, ya pande mbili (bidirectional) kupitia WebSocket gateways — classes zenye decorator ya @WebSocketGateway() zinazoshughulikia WebSocket connections na messages (kwa kawaida kupitia Socket.IO). Zinawezesha vipengele kama chat, live notifications, na live dashboards, zikitumia muundo uleule wa NestJS (DI, decorators).
Kufafanua gateway
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